This time's mission is to "stop the Nightmare's rampage"! The familiar Cardboard-Senpai makes an appearance! However, he's attacked by a Nightmare and is in grave danger...?! CODE's commander, Zero, finally appears! In addition, the president of Tsurukame Entertainment and Haruka Suzuki, who appeared with Cardboard-Senpai on "Z-Grade Culinary Journeys" will also be appearing in the upcoming Mission 3!